20181427228

素因数分解:

$2^2\times {\mathrm{19979}}^1\times {\mathrm{252533}}^1$

素因数の和:272516

約数の個数: 12

約数和(自身を含む): 35319405240

約数和(自身を除く): 15137978012

約数列:

[1, 2, 4, 19979, 39958, 79916, 252533, 505066, 1010132, 5045356807, 10090713614, 20181427228]

約数ペア:

[(1, 20181427228), (2, 10090713614), (4, 5045356807), (19979, 1010132), (39958, 505066), (79916, 252533)]